The North developed economically much more than the South in the first half of the 19th century. Slavery was quickly abolished and the economy reverted to the rising industry to such an extent that during the Civil War about 80% of the industry in the USA was in the North.
In the 1900s, the National American Association for Women's suffrage prepared legislative amendments to the U.S. Constitution. This was their greatest advance towards their goal.
The term "Potlatch" came from the tribes of the Pacific Coast, though all tribes held celebrations. Overall, the answer that fits best is Pacific Coast.
